javascript - how can i know if a php file was only called from js on the client side? -


i have javascript on webpage makes call php file , passes values php file. how can know sure call php file js on webpage , not directly entering php url browsers address bar?

you'll want use check if $_server['http_x_requested_with'] xmlhttprequest. prevent people directly typing url in browsers while allowing ajax requests.

if ( ! empty($_server['http_x_requested_with']) && $_server['http_x_requested_with'] == 'xmlhttprequest' ) {   // useful }

you might want see do browsers support php's $_server['http_x_requested_with']? explanation of browsers/javascript libraries send http_x_requested_with header.


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